方法对河南省新乡县小冀镇有上消化道症状或有消化道疾病家族史者及其家庭成员1057人，采用酶联免疫吸附试验（ELISA）法检测Hp-IgG抗体。
Methods Hp antibody of 1 ? 057 residents with upper digestive tract symptom and their families was examined by using ELISA .
新乡镇